river styx riversider • river-sundered · · · Info · Definitions · Characters · · river styx · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) (Greek mythology) a river in Hades across which Charon carried dead souls. Synonyms: Styx, River Styx. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 x latin small letter x U+0078 y latin small letter y U+0079